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Table 1 Scaled-down wagon-wheel dimensions. Previously reported wagon-wheel dimensions are shown in the last column

From: Scaled-Down c-Si and c-SiGe Wagon-Wheels for the Visualization of the Anisotropy and Selectivity of Wet-Chemical Etchants

	This work	Wind et al. (ref. [15])
Wagon-wheel diameter	3.8 μm	16 mm
Spoke length	1 μm	8 mm
Spoke height	600 nm	130 μm
Spoke width (outer)	180 nm	140 μm
Spoke width (inner)	90 nm	2 μm
Spoke angle/space	5.6°/5.6°	1°/1°
Number of spokes	32	180
Amplification factor	20×	115×

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